What color and state is Fluorine at room temperature?
pale yellow gas
What colour and state is Chlorine at room temperature
yellow green gas
What colour and state is Bromine at room temperature?
red-brown liquid
What colour and state is Iodine at room temperature?
purple solid
what is the order of the halogens’ oxidizing power from most powerful to least?
F > Cl > Br > I
What is the electrode potential of Fluorine?
E° = +2.87 v
What is the colour of the silver chloride precipitate?
white
Which other halogen is liquid at room temperature?
None! Bromine is the only liquid at room temperature
What is the noble gas configuration of Iodine(using the noble gas at the start)?
[Kr] 4d¹⁰ 5s² 5p⁵
When is Kheeran’s Birthday?
June 15th
what colour is the silver fluoride precipitate?
Trick Question! Silver fluoride is soluble so no ppt forms
What is the electronegativity value of Chlorine?
3.16
What is the half equation for the reduction of Bromine(if it doesn’t have state symbols we’ll still take it)?
Br2 + 2e- → 2Br-
Which halogen can Iodine displace?
none
the stability of the hydrogen halides increase or decrease as we descend the group?
Decrease
What is the density of Fluorine?
0.001553 g cm-3
What is the bond enthalpy of the hydrogen chloride ion:
431 kJ/mol
What is the density of Bromine?
3.1 g/cm³
what is the balanced equation between Iodine and sodium thiosulphate( fastest to write on the board wins)
2S2O32– (aq) + I2 (aq) → 2I–(aq) + S4O62– (aq)
What is the colour of Amaya’s glasses?
black
which halogen displaces Fluorine?
Trick Question! No halogen can displace Fluorine
What is the density of Chlorine?
0.002898 g cm-3
What is the bond enthalpy value between the hydrogen and bromine ions in hydrogen bromide?
366 kJ/mol
What is the density of Iodine?
3.960 g/cm3
How many labs in total have we done?
14